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Free tmp_wNAF in all exit paths.

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BUG=517495

Change-Id: I67c9c511d4ed558ab7a976d6708398e02194cd0f
Reviewed-on: https://boringssl-review.googlesource.com/5628
Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
David Benjamin 2015-08-06 17:09:38 -04:00 committed by Adam Langley
parent ade291c566
commit b2d987b47c
1 changed files with 2 additions and 0 deletions
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2
crypto/ec/wnaf.c
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@ -464,6 +464,7 @@ int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
numblocks = (tmp_len + blocksize - 1) / blocksize;
if (numblocks > pre_comp->numblocks) {
OPENSSL_PUT_ERROR(EC, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
totalnum = num + numblocks;
@ -478,6 +479,7 @@ int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
wNAF_len[i] = blocksize;
if (tmp_len < blocksize) {
OPENSSL_PUT_ERROR(EC, ERR_R_INTERNAL_ERROR);
OPENSSL_free(tmp_wNAF);
goto err;
}
tmp_len -= blocksize;